2020011111709 has 2 divisors, whose sum is σ = 2020011111710. Its totient is φ = 2020011111708.

The previous prime is 2020011111673. The next prime is 2020011111761. The reversal of 2020011111709 is 9071111100202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1804933136484 + 215077975225 = 1343478^2 + 463765^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020011111709 - 2⁹ = 2020011111197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020011111109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010005555854 + 1010005555855.

It is an arithmetic number, because the mean of its divisors is an integer number (1010005555855).

Almost surely, 2^{2020011111709} is an apocalyptic number.

It is an amenable number.

2020011111709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020011111709 is an equidigital number, since it uses as much as digits as its factorization.

2020011111709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 25.

The spelling of 2020011111709 in words is "two trillion, twenty billion, eleven million, one hundred eleven thousand, seven hundred nine".